| // Copyright 2017 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "fxjs/xfa/cjx_list.h" |
| |
| #include <vector> |
| |
| #include "fxjs/fxv8.h" |
| #include "fxjs/js_resources.h" |
| #include "fxjs/xfa/cfxjse_class.h" |
| #include "fxjs/xfa/cfxjse_engine.h" |
| #include "third_party/base/containers/span.h" |
| #include "third_party/base/numerics/safe_conversions.h" |
| #include "v8/include/v8-object.h" |
| #include "v8/include/v8-primitive.h" |
| #include "xfa/fxfa/parser/cxfa_document.h" |
| #include "xfa/fxfa/parser/cxfa_list.h" |
| #include "xfa/fxfa/parser/cxfa_node.h" |
| |
| const CJX_MethodSpec CJX_List::MethodSpecs[] = {{"append", append_static}, |
| {"insert", insert_static}, |
| {"item", item_static}, |
| {"remove", remove_static}}; |
| |
| CJX_List::CJX_List(CXFA_List* list) : CJX_Object(list) { |
| DefineMethods(MethodSpecs); |
| } |
| |
| CJX_List::~CJX_List() = default; |
| |
| bool CJX_List::DynamicTypeIs(TypeTag eType) const { |
| return eType == static_type__ || ParentType__::DynamicTypeIs(eType); |
| } |
| |
| CXFA_List* CJX_List::GetXFAList() { |
| return ToList(GetXFAObject()); |
| } |
| |
| CJS_Result CJX_List::append(CFXJSE_Engine* runtime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() != 1) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| auto* pNode = ToNode(runtime->ToXFAObject(params[0])); |
| if (!pNode) |
| return CJS_Result::Failure(JSMessage::kValueError); |
| |
| if (!GetXFAList()->Append(pNode)) |
| return CJS_Result::Failure(JSMessage::kWouldBeCyclic); |
| |
| return CJS_Result::Success(); |
| } |
| |
| CJS_Result CJX_List::insert(CFXJSE_Engine* runtime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() != 2) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| auto* pNewNode = ToNode(runtime->ToXFAObject(params[0])); |
| if (!pNewNode) |
| return CJS_Result::Failure(JSMessage::kValueError); |
| |
| auto* pBeforeNode = ToNode(runtime->ToXFAObject(params[1])); |
| if (!GetXFAList()->Insert(pNewNode, pBeforeNode)) |
| return CJS_Result::Failure(JSMessage::kValueError); |
| |
| return CJS_Result::Success(); |
| } |
| |
| CJS_Result CJX_List::remove(CFXJSE_Engine* runtime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() != 1) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| auto* pNode = ToNode(runtime->ToXFAObject(params[0])); |
| if (!pNode) |
| return CJS_Result::Failure(JSMessage::kValueError); |
| |
| GetXFAList()->Remove(pNode); |
| return CJS_Result::Success(); |
| } |
| |
| CJS_Result CJX_List::item(CFXJSE_Engine* runtime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() != 1) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| int32_t index = runtime->ToInt32(params[0]); |
| size_t cast_index = static_cast<size_t>(index); |
| if (index < 0 || cast_index >= GetXFAList()->GetLength()) |
| return CJS_Result::Failure(JSMessage::kInvalidInputError); |
| |
| return CJS_Result::Success( |
| runtime->NewNormalXFAObject(GetXFAList()->Item(cast_index))); |
| } |
| |
| void CJX_List::length(v8::Isolate* pIsolate, |
| v8::Local<v8::Value>* pValue, |
| bool bSetting, |
| XFA_Attribute eAttribute) { |
| if (bSetting) { |
| ThrowInvalidPropertyException(pIsolate); |
| return; |
| } |
| *pValue = fxv8::NewNumberHelper( |
| pIsolate, pdfium::base::checked_cast<int32_t>(GetXFAList()->GetLength())); |
| } |